2020 Subaru Ascent Service and Repair Manual
2020 Subaru Ascent service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
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Subaru of America, Inc. (Subaru) is recalling certain 2019-2020 Ascent, 2018 Forester, 2018-2020 Impreza, Legacy, Outback, 2018-2019 BRZ, WRX, and Toyota 86 vehicles. The low-pressure fuel pump insid
Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Dealers will replace the low-pressure fuel pump, free of charge. Owner notification letters were ma
Subaru of America, Inc. (Subaru) is recalling certain 2019-2020 Ascent, 2020 Legacy and Outback vehicles. A programming error in the Transmission Control Unit (TCU) may allow the clutch to engage bef
An improperly secured drive chain may slip and break, causing a loss of drive power and increasing t
Dealers will reprogram the TCU, inspect TCU data for chain slip, and visually inspect the chain guid
Subaru of America, Inc. (Subaru) is recalling certain 2020 Ascent vehicles. Due to an incorrect tapered hole in the housing, the front tie rod ends may not fit properly. The improper fit can result
The tie rods may separate from the housing, causing a loss of steering control and increasing the ri
Dealers will replace the left and right front tie rod ends and housings, free of charge. Owner noti
Subaru of America, Inc. (Subaru) is recalling certain 2019-2022 Ascent vehicles. The ground bolt that secures the ground terminal of the Positive Temperature Coefficient (PTC) heater may have been im
A melting ground terminal increases the risk of a fire.
Owners are advised to park their vehicle away from structures and to avoid leaving the vehicle unatt
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Powertrain Warranty coverage for the Continuously Variable Transmission (CVT) on the above listed models and model years from the origi
This Bulletin provides the diagnostic procedures to be followed when addressing customer concerns of steering wheel/vehicle body vibration when driving at highway speeds when tire/wheel balance is suspected.
This Service Information Bulletin was developed to provide interim guidance for vehicles exhibiting DTC B2A20.
In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Warranty coverage for the front brake on 2019-24 model year Ascent models to 8 years (96 months) or 150,000 miles (whichever comes firs
This bulletin contains information to help when attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully
This announcement provides information on the use of aftermarket services or tools for programming immobilizer keys/fobs.
This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C) performance concerns possibly resulting from an undetected A/C refrigerant leak.
Showing the 8 most recent of 487 technical service bulletins on file with NHTSA.
Sudden unwanted rapid acceleration toward a building from parking lot causing head on collision: - Manual brakes failed - Automatic brakes did not engage - Airbags did NOT deploy after hitting an
Sudden unwanted rapid acceleration toward a building from parking lot causing head on collision: - Manual brakes failed - Automatic brakes did not engage - Airbags did NOT deploy after hitting an
Sudden unwanted rapid acceleration toward a building from parking lot causing head on collision: - Manual brakes failed - Automatic brakes did not engage - Airbags did NOT deploy after hitting an
The contact's wife owns a 2020 Subaru Ascent. The contact stated that while his wife was driving at an undisclosed speed, the vehicle was stopped in traffic when a semi-trailer collided with another v
The contact owned a 2020 Subaru Ascent. The contact was driving approximately 35 MPH on a highway when the contact's husband lost consciousness causing him to crash into a truck. As a result, the even
Showing the 5 most serious of 397 complaints filed with NHTSA.
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